Java 8 – Filter a Map by its Key and Value
In this article, we will discuss how to filter a Map by its Key & Value from a Stream using filter() method 1. Filter a Read More
Tag: Entry interface
How to remove an entry from HashMap by comparing values in Java 8
In this article, we will discuss how to remove an entry or entries from HashMap using Java 8 APIs Before proceeding further, it is recommended Read More
Conversion of List to Map in Java 8
In this article, we will discuss how to convert List into Map in Java 8 Already, in the last article we have discussed how to Read More
Conversion of List to Map in Java
In this article, we will discuss how to convert List into Map in Java List v/s Map: Before starting with List to Map conversion, Read More
Conversion of Map to List in Java 8
In this article, we will discuss how to convert Map into List in Java 1.8 version As Map contains key-value pairs which is called Read More
Conversion of Map to List in Java
In this article, we will discuss how to convert Map into List in Java As Map contains key-value pairs which is called as Map Read More
Sorting Hashtable contents
In this article, we will discuss how to sort Hashtable contents We can sort Hashtable in both ascending and descending order, by passing Hashtable contents Read More
Sorting HashMap by Keys and Values using stream in Java 8
In this article, we will discuss how to sort HashMap by its Keys and Values using stream in Java 8 Prior to Java 8 release, Read More
Sorting HashMap by Keys and Values
In this article, we will discuss how to sort HashMap by its Keys and Values 1. Sorting HashMap by Keys: We can sort HashMap in Read More
Converting Unordered HashMap into Sorted TreeMap
In this article, we will discuss how to convert unordered HashMap into Sorted TreeMap We can sort HashMap in both ascending and descending order, by Read More
How to iterate through LinkedHashMap in reverse order
In this article, we will discuss how to iterate through contents of LinkedHashMap in reverse order Key points about LinkedHashMap: LinkedHashMap maintains insertion-order as it Read More
Adding one HashMap to another HashMap using putAll method
In this article, we will add one HashMap contents to another HashMap using putAll() method of Map interface Adding one HashSet to another HashSet : Read More
How to check whether a particular value is present in HashMap
In this article, we will discuss how to check whether a value is present in the invoking HashMap or Not HashMap : Same example Read More
How to check whether a particular key is present in HashMap
In this article, we will discuss how to check whether a key is present in the invoking HashMap or Not HashMap : Same example Read More
How to delete all entries of HashMap
In this article, we will discuss how to remove all entries from invoking HashMap HashMap : clear() –> to delete all entries present in HashMap Note: above Read More
How to delete an entry of HashMap
In this article, we will discuss how to remove a particular entry from invoking HashMap HashMap : remove(key) –> to delete a particular entry by specifying Read More
Iterating Map using forEach() in Java 8
In one of the previous article, we have discussed various ways to iterate through Map i.e.; Various ways to iterate through Map Using keySet() method Read More
Various ways to iterate through HashMap – 5 ways
In this article, we will discuss various ways to iterate through HashMap or implementation classes of Map interface like LinkedHashMap or TreeMap Map implementation Read More
How to get size or length of HashMap
In this article, we will discuss how to find size or length of a HashMap or implementation classes of Map interface like LinkedHashMap or TreeMap Read More
How to get all Entries or Key-Value pairs of HashMap
In this article, we will discuss how to get all entries or Key-Value pairs of a HashMap or implementation classes of Map interface like LinkedHashMap Read More